[Event "Czech sachyCZ Extraliga 2025-26"] [White "Seemann,Jakub"] [Black "Raczek,Krzysztof"] [Site "Czechia"] [Round "7.1"] [Annotator "TA"] [Result "1-0"] [Date "2026.02.21"] [WhiteElo "2517"] [BlackElo "2506"] [PlyCount "109"] [TimeControl "60"] {[%evp 11,108,27,28,13,24,7,8,7,3,8,3,16,6,9,14,13,10,16,16,20,18,15,22,-47,-6,-79,-74,-102,127,131,121,114,147,145,145,127,150,136,155,98,100,116,105,106,126,126,118,126,119,110,137,137,202,183,222,228,232,215,329,287,368,327,635,640,644,645,645,638,621,347,346,346,337,339,299,265,291,291,417,330,501,494,488,461,551,605,589,574,554,553,738,731,696,696,693,692,1527,591,29999]} 1. e4 {[%emt 0:0:5]} c5 {[%emt 0:0:6]} 2. Nf3 {[%emt 0:0:4]} Nc6 {[%emt 0:0:4]} 3. Bb5 {[%emt 0:0:3]} Nf6 {[%emt 0:0:5][%cal Yg8f6,Yf6g4,Yg4e5][%mdl 32]} 4. Nc3 {[%emt 0:0:10]} Qc7 {[%emt 0:0:21]} 5. O-O {[%emt 0:0:9]} Nd4 {[%emt 0:0:22]} 6. Re1 {[%emt 0:0:26]} a6 {[%emt 0:0:59]} 7. Bf1 {[%emt 0:0:12] B30: Sicilian: 2...Nc6 3 Bb5, lines without ...g6.} Ng4 {[%emt 0:0:30] [#] ( -> ...Nxf3+)} 8. e5 {[%emt 0:0:26]} Nxf3+ {[%emt 0:0:42]} 9. gxf3 {[%emt 0:0:29] The position is equal.} Nxe5 {[%emt 0:0:4]} 10. d4 {[%emt 0:0:29] White sacrificed a pawn} cxd4 {[%emt 0:1:32]} 11. Nd5 {[%emt 0:0:13]} Qd6 {[%emt 0:0:33]} 12. c4 {[%emt 0:0:44]} dxc3 {[%emt 0:0:4]} 13. Rxe5 {[%emt 0:0:15]} Qxe5 {[%emt 0:0:5]} 14. Bf4 {[%emt 0:0:23]} Qf5 {[%emt 0:0:5]} 15. Bg3 {[%emt 0:0:29]} cxb2 {[%emt 0:0:33]} 16. Rb1 {[%emt 0:0:5]} Ra7 {[%emt 0:3:42]} 17. Rxb2 {[%emt 0:0:22]} (17. Nc7+ $2 Kd8 18. Rxb2 e6 $19 )(17. Bb8 $11 )d6 $15 {[%emt 0:3:55] and ...b5 would now be decisive} 18. Qc1 $146 {[%emt 0:0:36]} (18. Qd4 $11 b5 (18... b6 19. Rxb6 f6 20. Rb8 $18 )19. a4 )({Predecessor:} 18. Qd4 b5 19. Bd3 Qd7 20. Nb6 Qd8 21. Nxc8 Rc7 22. Rxb5 Qxc8 23. Rb6 f6 24. Bxa6 {½-½ Audi,A (2372)-Hoffmann,M (2412) Lagos op 1st 2023 (7)} )Be6 $17 {[%emt 0:31:15]} 19. Nb6 {[%emt 0:0:57]} Qc5 {[%emt 0:12:57] [#]} (19... Qxf3 $17 {keeps the pressure on.} 20. Qc7 f6 )20. Qxc5 $16 {[%emt 0:25:40]} dxc5 {[%emt 0:0:1]} 21. Bb8 {[%emt 0:0:24]} g6 {[%emt 0:0:6]} 22. Bxa7 {[%emt 0:2:49] White is much more active. The black rooks are passive.} Bg7 {[%emt 0:0:5]} 23. Rd2 {[%emt 0:9:34]} Bh6 {[%emt 0:13:42]} 24. Rc2 {[%emt 0:6:25]} O-O {[%emt 0:0:6]} 25. a4 {[%emt 0:1:8]} ({White should play} 25. Rxc5 Bf4 26. Bc4 )Rd8 {[%emt 0:3:1]} 26. Rxc5 {[%emt 0:1:13]} Rd1 {[%emt 0:3:21]} 27. Kg2 {[%emt 0:2:18] Inhibits Bh3+.} Rd2 {[%emt 0:0:42]} 28. Nc4 {[%emt 0:7:10] Inhibits Be3.} Ra2 {[%emt 0:0:5]} 29. a5 {[%emt 0:2:29]} Bf4 {[%emt 0:0:41] Prevents Rc7.} 30. Bb6 {[%emt 0:1:14]} Kf8 {[%emt 0:1:8]} 31. Bd3 {[%emt 0:4:44]} h5 {[%emt 0:2:34]} (31... Ra4 $16 32. Bc7 Bxc7 33. Rxc7 Bxc4 34. Rc8+ (34. Rxc4 $2 Rxa5 35. Rc8+ Kg7 $18 )Kg7 35. Rxc4 (35. Bxc4 Rxa5 36. Rc7 Rg5+ 37. Kh3 b5 $16 )Rxa5 )32. Bb1 $18 {[%emt 0:3:6]} Ra1 {[%emt 0:4:49]} 33. Be4 {[%emt 0:2:9]} h4 {[%emt 0:1:34][%csl Ge6][%cal Rh4h3]} 34. h3 {[%emt 0:0:37]} (34. Bxb7 h3# )Ra2 {[%emt 0:0:5]} (34... Rc1 $142 )35. Bd5 {[%emt 0:5:51]} Bg3 {[%emt 0:2:57]} 36. Bxe6 {[%emt 0:0:20]} (36. Bxb7 $2 {is the wrong capture.} Bxf2 37. Rc6 Bxb6+ 38. Kh1 Bxa5 39. Nxa5 Rxa5 $19 )Rxf2+ $2 {[%emt 0:0:5]} (36... fxe6 37. Rc8+ Kf7 )37. Kg1 {[%emt 0:0:2] Rc8+ is the strong threat.} Re2 {[%emt 0:0:10]} 38. Rc8+ {[%emt 0:5:29]} Kg7 {[%emt 0:0:1]} 39. Bd4+ {[%emt 0:0:17]} f6 {[%emt 0:1:8]} 40. Ne3 {[%emt 0:0:35]} Re1+ {[%emt 0:1:3]} 41. Nf1 {[%emt 0:30:11]} Rxe6 {[%emt 0:30:5]} 42. Nxg3 {[%emt 0:0:2]} hxg3 {[%emt 0:0:6][%mdl 4096] Endgame KRB-KR} 43. Kg2 {[%emt 0:0:9]} Re2+ {[%emt 0:0:37]} 44. Kxg3 {[%emt 0:0:15]} e5 {[%emt 0:0:3]} (44... Rd2 )45. Bb6 {[%emt 0:2:25]} g5 {[%emt 0:0:24]} (45... Kh6 {was necessary.} 46. Bd8 f5 )46. Rc7+ {[%emt 0:1:14]} Kg6 {[%emt 0:0:5]} 47. Rxb7 {[%emt 0:0:20]} Ra2 {[%emt 0:0:28]} 48. Ra7 {[%emt 0:5:58]} f5 {[%emt 0:0:8][%cal Yf6f5,Yf5f4][%mdl 32] ( -> ...f4+)} 49. h4 $1 {[%emt 0:0:5]} f4+ {[%emt 0:3:41]} 50. Kh3 {[%emt 0:0:44]} Kh5 {[%emt 0:0:33]} 51. hxg5 {[%emt 0:3:5]} Ra3 {[%emt 0:0:5]} 52. Kg2 {[%emt 0:0:19]} Ra2+ {[%emt 0:1:51]} 53. Kf1 {[%emt 0:0:18]} Kh4 {[%emt 0:0:23]} 54. Bf2+ {[%emt 0:1:19]} Kh3 {[%emt 0:0:5]} 55. Rh7# {[%emt 0:11:25] Weighted Error Value: White=0.24 (precise) /Black=0.40 Mistake: White=3 Black=6 Inaccurate: White=1 Black=2 OK: White=2 Black=1 Best: White=2 --- Strong: White=1 ---} 1-0